EPA is proposing to promulgate new methods and update the regulatory tables of approved methods for pollutant analysis under the Clean Water Act specified in 40 CFR Part 136. The proposed rule affects ...
The U.S. Environmental Protection Agency (EPA) finalized Test Methods 1633 and 1621, environmental sampling methods for analyzing up to 40 target per- and polyfluoroalkyl substances (PFAS) in soil, ...
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